919 WorkRate |
Name : _________________ |
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If Ann does a job in 9 days, and Bob does it in 2 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 6 days, and Bob does it in 7 days, how long do they take together? (Nearest to the 10th...) |
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919 1.6 2.5 5 1.6 1.4 ( 12.1 ) 3.2 5 3.4 2.2 1.5 ( 15.3 ) [[ 27.4 ]] | ||
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